401787364 has 24 divisors (see below), whose sum is σ = 776764800. Its totient is φ = 180317280.

The previous prime is 401787343. The next prime is 401787383. The reversal of 401787364 is 463787104.

It is a super-2 number, since 2×401787364² = 322866171740136992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54319 + ... + 61270.

It is an arithmetic number, because the mean of its divisors is an integer number (32365200).

Almost surely, 2^401787364 is an apocalyptic number.

401787364 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

401787364 is a deficient number, since it is larger than the sum of its proper divisors (374977436).

401787364 is a wasteful number, since it uses less digits than its factorization.

401787364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115683 (or 115681 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 401787364 is about 20044.6342944939. The cubic root of 401787364 is about 737.9021200330.

The spelling of 401787364 in words is "four hundred one million, seven hundred eighty-seven thousand, three hundred sixty-four".